Micronutrients are nutrients such as vitamins and minerals required by organisms in varying quantities throughout life to orchestrate a range of physiological functions to maintain health. The following is a list of micronutrients. Minerals Calcium Sulfur Phosphorus Magnesium Sodium Potassium Iron Zinc Trace elements Boron Copper Chromium (disputed, as the European Union does not recognize chromium as an essential nutrient) Selenium Manganese Molybdenum Cobalt (as a component of vitamin B12) Fluorine Iodine Vitamins Vitamin B complex Vitamin B1 (thiamin) Vitamin B2 (riboflavin) Vitamin B3 (niacin) Vitamin B5 (pantothenic acid) Vitamin B6 group: Pyridoxine Pyridoxal-5-Phosphate Pyridoxamine Vitamin B7 (biotin) Vitamin B9 (folate) Vitamin B12 (cobalamin) Choline Vitamin A (e.g. retinol (see also - provitamin A carotenoids)) Vitamin C (Ascorbic acid) Vitamin D Ergocalciferol Cholecalciferol Vitamin E (tocopherols and tocotrienols) Vitamin K Vitamin K1 (phylloquinone) Vitamin K2 (menaquinone) Vitamin K3 (menadione) Carotenoids (not accepted as essential nutrients) Alpha carotene Beta carotene Cryptoxanthin Lutein Lycopene Zeaxanthin See also List of macronutrients List of phytochemicals in food Nutrient Nutrition References Micronutrients